noep required, but after when local police started to ask money, many people want to make a insurance frauds - alos pedestriands etc. To fight for this, people installed HD cameras to cars to not get touched and fight against people like these. Many hard situatsions have solved by camera evidence, even against police - they point of camera what record all time, and after that no compl by others. So its the best thing to get away of these. People need money there.